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Posted to dev@uima.apache.org by "Jerry Cwiklik (JIRA)" <ui...@incubator.apache.org> on 2010/03/26 16:44:27 UTC
[jira] Created: (UIMA-1751) Fix NPE while looking up
MessageProducer
Fix NPE while looking up MessageProducer
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Key: UIMA-1751
URL: https://issues.apache.org/jira/browse/UIMA-1751
Project: UIMA
Issue Type: Bug
Components: Async Scaleout
Affects Versions: 2.3AS
Reporter: Jerry Cwiklik
ActiveMQMessageSender throws NPE in getMessageProducer() sometimes when the UIMA AS client is stopping. A race condition seems to be the cause. A thread doing a send tries to dereference engine object after the engine was forced to stop.
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[jira] Closed: (UIMA-1751) Fix NPE while looking up MessageProducer
Posted by "Jerry Cwiklik (JIRA)" <ui...@incubator.apache.org>.
[ https://issues.apache.org/jira/browse/UIMA-1751?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jerry Cwiklik closed UIMA-1751.
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Resolution: Fixed
Modified getMessageProducer() in ActiveMQMessageSender to check the state of the engine before returning the Producer.
> Fix NPE while looking up MessageProducer
> ----------------------------------------
>
> Key: UIMA-1751
> URL: https://issues.apache.org/jira/browse/UIMA-1751
> Project: UIMA
> Issue Type: Bug
> Components: Async Scaleout
> Affects Versions: 2.3AS
> Reporter: Jerry Cwiklik
>
> ActiveMQMessageSender throws NPE in getMessageProducer() sometimes when the UIMA AS client is stopping. A race condition seems to be the cause. A thread doing a send tries to dereference engine object after the engine was forced to stop.
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